Home / Products / Fab Defense / FAB Defense FXFRBS Front/Rear Folding Back-Up Sights AR-15/ M16/ M4 Low Profile Dual Aperture Rear Sight Black Polymer and Metal
FAB Defense FXFRBS Front/Rear Folding Back-Up Sights AR-15/ M16/ M4 Low Profile Dual Aperture Rear Sight Black Polymer and Metal
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$69.84
MSRP
$69.84
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Updated
Aug 26, 2026
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FAB Defense FXFRBS Front/Rear Folding Back-Up Sights AR-15/ M16/ M4 Low Profile Dual Aperture Rear Sight Black Polymer and Metal